Most wood furniture manufacturing facilities exhaust their emissions directly to the outside of the facility without any treatment. Therefore, in addition to possible occupational exposure to VHAPs, persons living in close proximity to the plant might also be exposed to air toxic emissions from the facility. Chemicals enter the body via three primary routes: inhalation, ingestion or direct contact with the skin. In the work environment of a wood finishing line, the primary exposure route to VHAPs is inhalation. Accidental direct contact or ingestion is possible, particularly if employees are not adequately trained and/or appropriate housekeeping practices are not implemented. For persons.